Some online trees suggest that Mary married Leslie Barclay at Katoomba in 1941, but from Electoral Roll records, the Mary Josephine Flood who married Leslie Barclay seems to be a different person.
Sources
↑ NSW Government. Registry of Births Deaths & Marriages (accessed 15 Aug 2022). Birth Index, Index entry for FLOOD MARY J; Parents: THOMAS & JOHANNAH C; District: CANOWINDRA; Registration Number: 27256/1919
↑1943 Electoral Register:
"Australia, Electoral Rolls, 1903-1980"
Australian Electoral Commission; Canberra, Australia; Electoral Rolls Ancestry Sharing Link - Ancestry au Record 1207 #22114486 (accessed 15 August 2022)
Name: Mary Josephine Flood; Gender: Female; Electoral Date: 1943; Electoral Place: Canowindra, Calare, New South Wales, Australia.